Gas exchange system flow configuration
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United States of America Patent
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Nov 1, 2016
Grant Date -
Mar 12, 2015
app pub date -
Nov 17, 2014
filing date -
Sep 23, 2010
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Abstract
Active compensation designs to offset the impact of gas diffusion sources and sinks in a photosynthesis and transpiration measurement system are disclosed. A sensor head for use in a gas exchange analysis system includes an active, piezoelectric flow splitting device for splitting a flow between a sample chamber and bypass pathway. The active flow splitting device is controlled by feedback from a downstream flow meter. A continuous measurement system for rapidly and accurately surveying large numbers of samples is described.
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